<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>main</title>
    <link rel="StyleSheet" href="/css/bootstrap.css" type="text/css" media="screen"/>
</head>
<body>
<header th:fragment="header">
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
    <a class="navbar-brand" href="#">Admin System</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor01" aria-controls="navbarColor01" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>

    <div class="collapse navbar-collapse" id="navbarColor01">
        <ul class="navbar-nav mr-auto">
            <li class="nav-item active">
                <a class="nav-link" href="/admin/GoToAGCatalog">Product&Item
                    <span class="sr-only">(current)</span>
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="/admin/SeeAllAccount">Account</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="/admin/GoToAGOrder">Orders</a>
            </li>
        </ul>
    </div>
</nav>
</header>
</body>
</html>